#pragma once
#include <string>
#include <iostream>
#include <opencv2/core/core.hpp>
#include <eigen3/Eigen/Dense>
#include <front_end.hpp>
#include <Frame.hpp>

class viewer
{
private:
    FeatureTracker & tracker;
public:
    viewer(FeatureTracker & _tracker):tracker(_tracker){};
    void show_tracker(Frame & last, Frame & now);
    ~viewer();
};


